Home / 15,447,380.22-21,318,381.15-8,571,862.28

Finding the Fourth Proportional to 15,447,380.22, 21,318,381.15 and 8,571,862.28

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Solution

The fourth proportional to 15,447,380.22, 21,318,381.15 and 8,571,862.28 is: 11,829,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,380.22 : 21,318,381.15 = 8,571,862.28 : x
  2. Step 2: Convert to fraction form
    15,447,380.22/21,318,381.15 = 8,571,862.28/x
  3. Step 3: Cross multiply
    15,447,380.22x = 21,318,381.15 × 8,571,862.28
  4. Step 4: Simplify right side
    15,447,380.22x = 182,738,227,250,348
  5. Step 5: Solve for x
    x = 182,738,227,250,348/15,447,380.22
  6. Step 6: Final answer
    x = 11,829,722.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.